Heat treated
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6645-00-173-2800
NSN 5915-01-005-5126
NSN 5835-01-110-0697
NSN 5990-01-023-3307
NSN 5935-01-546-7852
NSN 6130-01-499-0046
NSN 6685-00-813-7025
NSN 5950-00-618-0024
NSN 5930-00-850-2776
NSN 6610-01-522-9882
NSN 5915-01-550-3130
NSN 2925-01-285-7163